This trigram represents Thunder. Also, the trigram is strongly connected to northeast and the relationship of the Eldest son. Thunder comes from the sky and is absorbed by the earth, thus, according to the beliefs of the I Ching, thunder is one of the most powerful natural forces. This pumsae is associated with power and the connection between the heavens and earth. This pumsae is intended to be performed with power resembling the Thunder for which it is named.
Palgwe Sa Jang
Taeguk Sa Jang